As countries struggle with the immediate challenges of stretched public finances and high unemployment, they must not neglect the longer term. Action needs to be taken now to prevent irreversible damage to the environment.

Services provided by forests, mangroves and other ecosystems should be taken into account when managing water use, says a new report from UNEP. A broader view of water productivity will be needed if demands on water resources are to be met, and global food security ensured, argues the study.